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Update Fee Structure V2 + changelog (2026-03-31)

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docs/polymarket-learn/trading/fees.md
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@@ -16,110 +16,37 @@ Polymarket charges a small taker fee on certain markets. These fees fund the [Ma
***
## Current Fee Structure
The following fee parameters are currently live. **New fee parameters will take effect on March 30, 2026** — see [Upcoming Fee Structure](#upcoming-fee-structure) below.
Currently, only **Crypto** and **Sports** markets have taker fees enabled.
| Category | Fee Rate | Exponent | Maker Rebate | Peak Effective Rate |
| -------- | -------- | -------- | ------------ | ------------------- |
| Crypto | 0.25 | 2 | 20% | 1.56% |
| Sports | 0.0175 | 1 | 25% | 0.44% |
<Frame>
<div className="p-3 bg-white rounded-xl">
<iframe title="Fee Curves (Current)" aria-label="Line chart" id="datawrapper-chart-Z7OnS" src="https://datawrapper.dwcdn.net/Z7OnS/" scrolling="no" frameborder="0" width={700} style={{ width: "0", minWidth: "100% !important", border: "none" }} height="450" data-external="1" />
</div>
</Frame>
<Tabs>
<Tab title="Crypto">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.00% |
| \$0.05 | \$5 | \$0.003 | 0.06% |
| \$0.10 | \$10 | \$0.02 | 0.20% |
| \$0.15 | \$15 | \$0.06 | 0.41% |
| \$0.20 | \$20 | \$0.13 | 0.64% |
| \$0.25 | \$25 | \$0.22 | 0.88% |
| \$0.30 | \$30 | \$0.33 | 1.10% |
| \$0.35 | \$35 | \$0.45 | 1.29% |
| \$0.40 | \$40 | \$0.58 | 1.44% |
| \$0.45 | \$45 | \$0.69 | 1.53% |
| \$0.50 | \$50 | \$0.78 | **1.56%** |
| \$0.55 | \$55 | \$0.84 | 1.53% |
| \$0.60 | \$60 | \$0.86 | 1.44% |
| \$0.65 | \$65 | \$0.84 | 1.29% |
| \$0.70 | \$70 | \$0.77 | 1.10% |
| \$0.75 | \$75 | \$0.66 | 0.88% |
| \$0.80 | \$80 | \$0.51 | 0.64% |
| \$0.85 | \$85 | \$0.35 | 0.41% |
| \$0.90 | \$90 | \$0.18 | 0.20% |
| \$0.95 | \$95 | \$0.05 | 0.06% |
| \$0.99 | \$99 | \$0.00 | 0.00% |
</Tab>
<Tab title="Sports">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.02% |
| \$0.05 | \$5 | \$0.00 | 0.08% |
| \$0.10 | \$10 | \$0.02 | 0.16% |
| \$0.15 | \$15 | \$0.03 | 0.22% |
| \$0.20 | \$20 | \$0.06 | 0.28% |
| \$0.25 | \$25 | \$0.08 | 0.33% |
| \$0.30 | \$30 | \$0.11 | 0.37% |
| \$0.35 | \$35 | \$0.14 | 0.40% |
| \$0.40 | \$40 | \$0.17 | 0.42% |
| \$0.45 | \$45 | \$0.19 | 0.43% |
| \$0.50 | \$50 | \$0.22 | **0.44%** |
| \$0.55 | \$55 | \$0.24 | 0.43% |
| \$0.60 | \$60 | \$0.25 | 0.42% |
| \$0.65 | \$65 | \$0.26 | 0.40% |
| \$0.70 | \$70 | \$0.26 | 0.37% |
| \$0.75 | \$75 | \$0.25 | 0.33% |
| \$0.80 | \$80 | \$0.22 | 0.28% |
| \$0.85 | \$85 | \$0.19 | 0.22% |
| \$0.90 | \$90 | \$0.14 | 0.16% |
| \$0.95 | \$95 | \$0.08 | 0.08% |
| \$0.99 | \$99 | \$0.02 | 0.02% |
</Tab>
</Tabs>
***
## Upcoming Fee Structure
**Effective March 30, 2026**, fee parameters are expanding to cover more market categories with updated rates.
## Fee Structure
Fees are calculated using the following formula:
```text theme={null}
fee = C × p × feeRate × (p × (1 - p))^exponent
fee = C × feeRate × p × (1 - p)
```
Where **C** = number of shares traded and **p** = price of the shares. The fee parameters differ by market category:
Where **C** = number of shares traded and **p** = price of the shares.
| Category | Fee Rate | Exponent | Maker Rebate | Peak Effective Rate |
| --------------- | -------- | -------- | ------------ | ------------------- |
| Crypto | 0.072 | 1 | 20% | 1.80% |
| Sports | 0.03 | 1 | 25% | 0.75% |
| Finance | 0.04 | 1 | 50% | 1.00% |
| Politics | 0.04 | 1 | 25% | 1.00% |
| Economics | 0.03 | 0.5 | 25% | 1.50% |
| Culture | 0.05 | 1 | 25% | 1.25% |
| Weather | 0.025 | 0.5 | 25% | 1.25% |
| Other / General | 0.2 | 2 | 25% | 1.25% |
| Mentions | 0.25 | 2 | 25% | 1.56% |
| Tech | 0.04 | 1 | 25% | 1.00% |
| Geopolitics | 0 | — | — | 0% |
**Makers are never charged fees.** Only takers pay fees. The fee parameters differ by market category:
Taker fees are calculated in USDC and vary based on the share price. However, fees are collected in shares on buy orders and USDC on sell orders. The effective rate **peaks at 50%** probability and decreases symmetrically toward the extremes.
| Category | Taker Fee Rate | Maker Fee Rate | Maker Rebate |
| --------------- | -------------- | -------------- | ------------ |
| Crypto | 0.072 | 0 | 20% |
| Sports | 0.03 | 0 | 25% |
| Finance | 0.04 | 0 | 25% |
| Politics | 0.04 | 0 | 25% |
| Economics | 0.05 | 0 | 25% |
| Culture | 0.05 | 0 | 25% |
| Weather | 0.05 | 0 | 25% |
| Other / General | 0.05 | 0 | 25% |
| Mentions | 0.04 | 0 | 25% |
| Tech | 0.04 | 0 | 25% |
| Geopolitics | 0 | 0 | — |
Taker fees are calculated in USDC and vary based on the share price. However, fees are collected in shares on buy orders and USDC on sell orders. The fee amount in USDC is symmetric around 50% probability — a trade at 30¢ incurs the same dollar fee as a trade at 70¢.
<Frame>
<div className="p-3 bg-white rounded-xl">
<iframe title="Fee Curves" aria-label="Line chart" id="datawrapper-chart-qTzMH" src="https://datawrapper.dwcdn.net/qTzMH/1/" scrolling="no" frameborder="0" width={700} style={{ width: "0", minWidth: "100% !important", border: "none" }} height="450" data-external="1" />
<iframe title="Fee Curves" aria-label="Line chart" id="datawrapper-chart-cY9H4" src="https://datawrapper.dwcdn.net/cY9H4/" scrolling="no" frameborder="0" width={700} style={{ width: "0", minWidth: "100% !important", border: "none" }} height="450" data-external="1" />
</div>
</Frame>
@@ -127,233 +54,121 @@ Taker fees are calculated in USDC and vary based on the share price. However, fe
<Tabs>
<Tab title="Crypto">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.07% |
| \$0.05 | \$5 | \$0.02 | 0.34% |
| \$0.10 | \$10 | \$0.06 | 0.65% |
| \$0.15 | \$15 | \$0.14 | 0.92% |
| \$0.20 | \$20 | \$0.23 | 1.15% |
| \$0.25 | \$25 | \$0.34 | 1.35% |
| \$0.30 | \$30 | \$0.45 | 1.51% |
| \$0.35 | \$35 | \$0.57 | 1.64% |
| \$0.40 | \$40 | \$0.69 | 1.73% |
| \$0.45 | \$45 | \$0.80 | 1.78% |
| \$0.50 | \$50 | \$0.90 | **1.80%** |
| \$0.55 | \$55 | \$0.98 | 1.78% |
| \$0.60 | \$60 | \$1.04 | 1.73% |
| \$0.65 | \$65 | \$1.06 | 1.64% |
| \$0.70 | \$70 | \$1.06 | 1.51% |
| \$0.75 | \$75 | \$1.01 | 1.35% |
| \$0.80 | \$80 | \$0.92 | 1.15% |
| \$0.85 | \$85 | \$0.78 | 0.92% |
| \$0.90 | \$90 | \$0.58 | 0.65% |
| \$0.95 | \$95 | \$0.32 | 0.34% |
| \$0.99 | \$99 | \$0.07 | 0.07% |
| Price | Trade Value | Taker Fee (USDC) |
| ------ | ----------- | ---------------- |
| \$0.01 | \$1 | \$0.07 |
| \$0.05 | \$5 | \$0.34 |
| \$0.10 | \$10 | \$0.65 |
| \$0.15 | \$15 | \$0.92 |
| \$0.20 | \$20 | \$1.15 |
| \$0.25 | \$25 | \$1.35 |
| \$0.30 | \$30 | \$1.51 |
| \$0.35 | \$35 | \$1.64 |
| \$0.40 | \$40 | \$1.73 |
| \$0.45 | \$45 | \$1.78 |
| \$0.50 | \$50 | \$1.80 |
| \$0.55 | \$55 | \$1.78 |
| \$0.60 | \$60 | \$1.73 |
| \$0.65 | \$65 | \$1.64 |
| \$0.70 | \$70 | \$1.51 |
| \$0.75 | \$75 | \$1.35 |
| \$0.80 | \$80 | \$1.15 |
| \$0.85 | \$85 | \$0.92 |
| \$0.90 | \$90 | \$0.65 |
| \$0.95 | \$95 | \$0.34 |
| \$0.99 | \$99 | \$0.07 |
The maximum effective fee rate is **1.80%** at 50% probability. Fees decrease symmetrically toward both extremes.
The fee in USDC **peaks at 50%** probability (\$1.80) and decreases symmetrically toward both extremes.
</Tab>
<Tab title="Sports">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.03% |
| \$0.05 | \$5 | \$0.01 | 0.14% |
| \$0.10 | \$10 | \$0.03 | 0.27% |
| \$0.15 | \$15 | \$0.06 | 0.38% |
| \$0.20 | \$20 | \$0.10 | 0.48% |
| \$0.25 | \$25 | \$0.14 | 0.56% |
| \$0.30 | \$30 | \$0.19 | 0.63% |
| \$0.35 | \$35 | \$0.24 | 0.68% |
| \$0.40 | \$40 | \$0.29 | 0.72% |
| \$0.45 | \$45 | \$0.33 | 0.74% |
| \$0.50 | \$50 | \$0.38 | **0.75%** |
| \$0.55 | \$55 | \$0.41 | 0.74% |
| \$0.60 | \$60 | \$0.43 | 0.72% |
| \$0.65 | \$65 | \$0.44 | 0.68% |
| \$0.70 | \$70 | \$0.44 | 0.63% |
| \$0.75 | \$75 | \$0.42 | 0.56% |
| \$0.80 | \$80 | \$0.38 | 0.48% |
| \$0.85 | \$85 | \$0.33 | 0.38% |
| \$0.90 | \$90 | \$0.24 | 0.27% |
| \$0.95 | \$95 | \$0.14 | 0.14% |
| \$0.99 | \$99 | \$0.03 | 0.03% |
| Price | Trade Value | Taker Fee (USDC) |
| ------ | ----------- | ---------------- |
| \$0.01 | \$1 | \$0.03 |
| \$0.05 | \$5 | \$0.14 |
| \$0.10 | \$10 | \$0.27 |
| \$0.15 | \$15 | \$0.38 |
| \$0.20 | \$20 | \$0.48 |
| \$0.25 | \$25 | \$0.56 |
| \$0.30 | \$30 | \$0.63 |
| \$0.35 | \$35 | \$0.68 |
| \$0.40 | \$40 | \$0.72 |
| \$0.45 | \$45 | \$0.74 |
| \$0.50 | \$50 | \$0.75 |
| \$0.55 | \$55 | \$0.74 |
| \$0.60 | \$60 | \$0.72 |
| \$0.65 | \$65 | \$0.68 |
| \$0.70 | \$70 | \$0.63 |
| \$0.75 | \$75 | \$0.56 |
| \$0.80 | \$80 | \$0.48 |
| \$0.85 | \$85 | \$0.38 |
| \$0.90 | \$90 | \$0.27 |
| \$0.95 | \$95 | \$0.14 |
| \$0.99 | \$99 | \$0.03 |
The maximum effective fee rate is **0.75%** at 50% probability. Fees decrease symmetrically toward both extremes.
The fee in USDC **peaks at 50%** probability (\$0.75) and decreases symmetrically toward both extremes.
</Tab>
<Tab title="Finance / Politics / Tech">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.04% |
| \$0.05 | \$5 | \$0.01 | 0.19% |
| \$0.10 | \$10 | \$0.04 | 0.36% |
| \$0.15 | \$15 | \$0.08 | 0.51% |
| \$0.20 | \$20 | \$0.13 | 0.64% |
| \$0.25 | \$25 | \$0.19 | 0.75% |
| \$0.30 | \$30 | \$0.25 | 0.84% |
| \$0.35 | \$35 | \$0.32 | 0.91% |
| \$0.40 | \$40 | \$0.38 | 0.96% |
| \$0.45 | \$45 | \$0.45 | 0.99% |
| \$0.50 | \$50 | \$0.50 | **1.00%** |
| \$0.55 | \$55 | \$0.54 | 0.99% |
| \$0.60 | \$60 | \$0.58 | 0.96% |
| \$0.65 | \$65 | \$0.59 | 0.91% |
| \$0.70 | \$70 | \$0.59 | 0.84% |
| \$0.75 | \$75 | \$0.56 | 0.75% |
| \$0.80 | \$80 | \$0.51 | 0.64% |
| \$0.85 | \$85 | \$0.43 | 0.51% |
| \$0.90 | \$90 | \$0.32 | 0.36% |
| \$0.95 | \$95 | \$0.18 | 0.19% |
| \$0.99 | \$99 | \$0.04 | 0.04% |
<Tab title="Finance / Politics / Mentions / Tech">
| Price | Trade Value | Taker Fee (USDC) |
| ------ | ----------- | ---------------- |
| \$0.01 | \$1 | \$0.04 |
| \$0.05 | \$5 | \$0.19 |
| \$0.10 | \$10 | \$0.36 |
| \$0.15 | \$15 | \$0.51 |
| \$0.20 | \$20 | \$0.64 |
| \$0.25 | \$25 | \$0.75 |
| \$0.30 | \$30 | \$0.84 |
| \$0.35 | \$35 | \$0.91 |
| \$0.40 | \$40 | \$0.96 |
| \$0.45 | \$45 | \$0.99 |
| \$0.50 | \$50 | \$1.00 |
| \$0.55 | \$55 | \$0.99 |
| \$0.60 | \$60 | \$0.96 |
| \$0.65 | \$65 | \$0.91 |
| \$0.70 | \$70 | \$0.84 |
| \$0.75 | \$75 | \$0.75 |
| \$0.80 | \$80 | \$0.64 |
| \$0.85 | \$85 | \$0.51 |
| \$0.90 | \$90 | \$0.36 |
| \$0.95 | \$95 | \$0.19 |
| \$0.99 | \$99 | \$0.04 |
The maximum effective fee rate is **1.00%** at 50% probability. Fees decrease symmetrically toward both extremes.
The fee in USDC **peaks at 50%** probability (\$1.00) and decreases symmetrically toward both extremes.
</Tab>
<Tab title="Culture">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.05% |
| \$0.05 | \$5 | \$0.01 | 0.24% |
| \$0.10 | \$10 | \$0.05 | 0.45% |
| \$0.15 | \$15 | \$0.10 | 0.64% |
| \$0.20 | \$20 | \$0.16 | 0.80% |
| \$0.25 | \$25 | \$0.23 | 0.94% |
| \$0.30 | \$30 | \$0.32 | 1.05% |
| \$0.35 | \$35 | \$0.40 | 1.14% |
| \$0.40 | \$40 | \$0.48 | 1.20% |
| \$0.45 | \$45 | \$0.56 | 1.24% |
| \$0.50 | \$50 | \$0.62 | **1.25%** |
| \$0.55 | \$55 | \$0.68 | 1.24% |
| \$0.60 | \$60 | \$0.72 | 1.20% |
| \$0.65 | \$65 | \$0.74 | 1.14% |
| \$0.70 | \$70 | \$0.74 | 1.05% |
| \$0.75 | \$75 | \$0.70 | 0.94% |
| \$0.80 | \$80 | \$0.64 | 0.80% |
| \$0.85 | \$85 | \$0.54 | 0.64% |
| \$0.90 | \$90 | \$0.40 | 0.45% |
| \$0.95 | \$95 | \$0.23 | 0.24% |
| \$0.99 | \$99 | \$0.05 | 0.05% |
<Tab title="Economics / Culture / Weather / Other">
| Price | Trade Value | Taker Fee (USDC) |
| ------ | ----------- | ---------------- |
| \$0.01 | \$1 | \$0.05 |
| \$0.05 | \$5 | \$0.24 |
| \$0.10 | \$10 | \$0.45 |
| \$0.15 | \$15 | \$0.64 |
| \$0.20 | \$20 | \$0.80 |
| \$0.25 | \$25 | \$0.94 |
| \$0.30 | \$30 | \$1.05 |
| \$0.35 | \$35 | \$1.14 |
| \$0.40 | \$40 | \$1.20 |
| \$0.45 | \$45 | \$1.24 |
| \$0.50 | \$50 | \$1.25 |
| \$0.55 | \$55 | \$1.24 |
| \$0.60 | \$60 | \$1.20 |
| \$0.65 | \$65 | \$1.14 |
| \$0.70 | \$70 | \$1.05 |
| \$0.75 | \$75 | \$0.94 |
| \$0.80 | \$80 | \$0.80 |
| \$0.85 | \$85 | \$0.64 |
| \$0.90 | \$90 | \$0.45 |
| \$0.95 | \$95 | \$0.24 |
| \$0.99 | \$99 | \$0.05 |
The maximum effective fee rate is **1.25%** at 50% probability. Fees decrease symmetrically toward both extremes.
</Tab>
<Tab title="Economics">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.30% |
| \$0.05 | \$5 | \$0.03 | 0.65% |
| \$0.10 | \$10 | \$0.09 | 0.90% |
| \$0.15 | \$15 | \$0.16 | 1.07% |
| \$0.20 | \$20 | \$0.24 | 1.20% |
| \$0.25 | \$25 | \$0.32 | 1.30% |
| \$0.30 | \$30 | \$0.41 | 1.37% |
| \$0.35 | \$35 | \$0.50 | 1.43% |
| \$0.40 | \$40 | \$0.59 | 1.47% |
| \$0.45 | \$45 | \$0.67 | 1.49% |
| \$0.50 | \$50 | \$0.75 | **1.50%** |
| \$0.55 | \$55 | \$0.82 | 1.49% |
| \$0.60 | \$60 | \$0.88 | 1.47% |
| \$0.65 | \$65 | \$0.93 | 1.43% |
| \$0.70 | \$70 | \$0.96 | 1.37% |
| \$0.75 | \$75 | \$0.97 | 1.30% |
| \$0.80 | \$80 | \$0.96 | 1.20% |
| \$0.85 | \$85 | \$0.91 | 1.07% |
| \$0.90 | \$90 | \$0.81 | 0.90% |
| \$0.95 | \$95 | \$0.62 | 0.65% |
| \$0.99 | \$99 | \$0.30 | 0.30% |
The maximum effective fee rate is **1.50%** at 50% probability. Fees decrease symmetrically toward both extremes.
</Tab>
<Tab title="Weather">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.25% |
| \$0.05 | \$5 | \$0.03 | 0.54% |
| \$0.10 | \$10 | \$0.08 | 0.75% |
| \$0.15 | \$15 | \$0.13 | 0.89% |
| \$0.20 | \$20 | \$0.20 | 1.00% |
| \$0.25 | \$25 | \$0.27 | 1.08% |
| \$0.30 | \$30 | \$0.34 | 1.15% |
| \$0.35 | \$35 | \$0.42 | 1.19% |
| \$0.40 | \$40 | \$0.49 | 1.22% |
| \$0.45 | \$45 | \$0.56 | 1.24% |
| \$0.50 | \$50 | \$0.62 | **1.25%** |
| \$0.55 | \$55 | \$0.68 | 1.24% |
| \$0.60 | \$60 | \$0.73 | 1.22% |
| \$0.65 | \$65 | \$0.78 | 1.19% |
| \$0.70 | \$70 | \$0.80 | 1.15% |
| \$0.75 | \$75 | \$0.81 | 1.08% |
| \$0.80 | \$80 | \$0.80 | 1.00% |
| \$0.85 | \$85 | \$0.76 | 0.89% |
| \$0.90 | \$90 | \$0.67 | 0.75% |
| \$0.95 | \$95 | \$0.52 | 0.54% |
| \$0.99 | \$99 | \$0.25 | 0.25% |
The maximum effective fee rate is **1.25%** at 50% probability. Fees decrease symmetrically toward both extremes.
</Tab>
<Tab title="Other / General">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.00% |
| \$0.05 | \$5 | \$0.00 | 0.05% |
| \$0.10 | \$10 | \$0.02 | 0.16% |
| \$0.15 | \$15 | \$0.05 | 0.33% |
| \$0.20 | \$20 | \$0.10 | 0.51% |
| \$0.25 | \$25 | \$0.18 | 0.70% |
| \$0.30 | \$30 | \$0.26 | 0.88% |
| \$0.35 | \$35 | \$0.36 | 1.04% |
| \$0.40 | \$40 | \$0.46 | 1.15% |
| \$0.45 | \$45 | \$0.55 | 1.23% |
| \$0.50 | \$50 | \$0.62 | **1.25%** |
| \$0.55 | \$55 | \$0.67 | 1.23% |
| \$0.60 | \$60 | \$0.69 | 1.15% |
| \$0.65 | \$65 | \$0.67 | 1.04% |
| \$0.70 | \$70 | \$0.62 | 0.88% |
| \$0.75 | \$75 | \$0.53 | 0.70% |
| \$0.80 | \$80 | \$0.41 | 0.51% |
| \$0.85 | \$85 | \$0.28 | 0.33% |
| \$0.90 | \$90 | \$0.15 | 0.16% |
| \$0.95 | \$95 | \$0.04 | 0.05% |
| \$0.99 | \$99 | \$0.00 | 0.00% |
The maximum effective fee rate is **1.25%** at 50% probability. Fees decrease symmetrically toward both extremes.
</Tab>
<Tab title="Mentions">
| Price | Trade Value | Fee (USDC) | Effective Rate |
| ------ | ----------- | ---------- | -------------- |
| \$0.01 | \$1 | \$0.00 | 0.00% |
| \$0.05 | \$5 | \$0.00 | 0.06% |
| \$0.10 | \$10 | \$0.02 | 0.20% |
| \$0.15 | \$15 | \$0.06 | 0.41% |
| \$0.20 | \$20 | \$0.13 | 0.64% |
| \$0.25 | \$25 | \$0.22 | 0.88% |
| \$0.30 | \$30 | \$0.33 | 1.10% |
| \$0.35 | \$35 | \$0.45 | 1.29% |
| \$0.40 | \$40 | \$0.58 | 1.44% |
| \$0.45 | \$45 | \$0.69 | 1.53% |
| \$0.50 | \$50 | \$0.78 | **1.56%** |
| \$0.55 | \$55 | \$0.84 | 1.53% |
| \$0.60 | \$60 | \$0.86 | 1.44% |
| \$0.65 | \$65 | \$0.84 | 1.29% |
| \$0.70 | \$70 | \$0.77 | 1.10% |
| \$0.75 | \$75 | \$0.66 | 0.88% |
| \$0.80 | \$80 | \$0.51 | 0.64% |
| \$0.85 | \$85 | \$0.35 | 0.41% |
| \$0.90 | \$90 | \$0.18 | 0.20% |
| \$0.95 | \$95 | \$0.05 | 0.06% |
| \$0.99 | \$99 | \$0.00 | 0.00% |
The maximum effective fee rate is **1.56%** at 50% probability. Fees decrease symmetrically toward both extremes.
The fee in USDC **peaks at 50%** probability (\$1.25) and decreases symmetrically toward both extremes.
</Tab>
</Tabs>
### Fee Precision
Fees are rounded to 4 decimal places. The smallest fee charged is **0.0001 USDC**. Anything smaller rounds to zero, so very small trades near the extremes may incur no fee at all.
Fees are rounded to 5 decimal places. The smallest fee charged is **0.00001 USDC**. Anything smaller rounds to zero, so very small trades near the extremes may incur no fee at all.
***
@@ -453,4 +268,4 @@ See the [fee-rate API Reference](/api-reference/introduction) for full response
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docs/polymarket-learn/trading/maker-rebates-program.md
+19 -19
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@@ -39,7 +39,7 @@ Maker Rebates are funded by taker fees collected in eligible markets. A percenta
| --------------- | ------------ | ------------------- |
| Crypto | 20% | Fee-curve weighted |
| Sports | 25% | Fee-curve weighted |
| Finance | 50% | Fee-curve weighted |
| Finance | 25% | Fee-curve weighted |
| Politics | 25% | Fee-curve weighted |
| Economics | 25% | Fee-curve weighted |
| Culture | 25% | Fee-curve weighted |
@@ -64,24 +64,24 @@ Rebates are distributed using the **same formula as taker fees**. This ensures m
For each filled maker order:
```text theme={null}
fee_equivalent = C × p × feeRate × (p × (1 - p))^exponent
fee_equivalent = C × feeRate × p × (1 - p)
```
Where **C** = number of shares traded and **p** = price of the shares. The fee parameters differ by market type:
| Category | Fee Rate | Exponent |
| --------------- | -------- | -------- |
| Crypto | 0.072 | 1 |
| Sports | 0.03 | 1 |
| Finance | 0.04 | 1 |
| Politics | 0.04 | 1 |
| Economics | 0.03 | 0.5 |
| Culture | 0.05 | 1 |
| Weather | 0.025 | 0.5 |
| Other / General | 0.2 | 2 |
| Mentions | 0.25 | 2 |
| Tech | 0.04 | 1 |
| Geopolitics | 0 | — |
| Category | Taker Fee Rate | Maker Fee Rate |
| --------------- | -------------- | -------------- |
| Crypto | 0.072 | 0 |
| Sports | 0.03 | 0 |
| Finance | 0.04 | 0 |
| Politics | 0.04 | 0 |
| Economics | 0.05 | 0 |
| Culture | 0.05 | 0 |
| Weather | 0.05 | 0 |
| Other / General | 0.05 | 0 |
| Mentions | 0.04 | 0 |
| Tech | 0.04 | 0 |
| Geopolitics | 0 | 0 |
Your daily rebate:
@@ -95,11 +95,11 @@ Totals are calculated per market, so you only compete with other makers in the s
## Taker Fee Structure
Taker fees are calculated in USDC and vary based on the share price. However, fees are collected in shares on buy orders and USDC on sell orders. Fees are highest at 50% probability and lowest at the extremes (near 0% or 100%).
Taker fees are calculated in USDC and vary based on the share price. However, fees are collected in shares on buy orders and USDC on sell orders. The fee amount in USDC is symmetric around 50% probability — a trade at 30¢ incurs the same dollar fee as a trade at 70¢.
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@@ -109,7 +109,7 @@ For detailed fee tables for each market category, see the [Fees](/trading/fees)
### Fee Precision
Fees are rounded to 4 decimal places. The smallest fee charged is 0.0001 USDC. Anything smaller rounds to zero, so very small trades near the extremes may incur no fee at all.
Fees are rounded to 5 decimal places. The smallest fee charged is 0.00001 USDC. Anything smaller rounds to zero, so very small trades near the extremes may incur no fee at all.
***
@@ -168,4 +168,4 @@ The following market categories have taker fees enabled and are eligible for mak
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